Results 41 to 50 of about 9,476,674 (192)

Internal Aerodynamic Performance Enhancement for Aircraft with High Maneuver by Designing a Distributed Submerged Inlet

Applied Sciences, 2023
Submerged inlet has been widely used in UAVs and cruise missiles due to its good stealth characteristics, but it also brings the disadvantage of poor aerodynamic characteristics.
Junyao Zhang, Baigang Mi
doaj   +1 more source

Aerodynamic Shape Optimization of an Aircraft Propulsor Air Intake with Boundary Layer Ingestion

Applied Mechanics, 2022
The growth of the airline industry has highlighted the need for more environmentally conscious aviation, leading to the conceptualization of more fuel-efficient aircraft.
Ayesh Sudasinghe, Padmassun Rajakareyar, Edgar Matida, Hamza Abo El Ella, Mostafa S. A. ElSayed   +4 more
doaj   +1 more source

Numerical Simulation on the Influence of Inlet Flow Characteristics on the Performance of a Centrifugal Compressor

Energies, 2023
Although inlet bent pipes are usually adopted due to limited installation space, the influences of different bend pipes on the inlet flow characteristics and performance of centrifugal compressors are still unclear.
Xing Li, Ning Huang, Guanyan Chen, Yanli Zhang, Yang Zhao, Jie Zhang, Ding Tong   +6 more
doaj   +1 more source

Total pressure distortion reconstruction methods from velocimetry data within an aero-engine intake at crosswind [PDF]

The integration of Very High Bypass Ratio (VHBR) turbofan engines with short intakes may present challenges due to increased total pressure distortion, particularly under crosswind conditions.
MacManus, David G., Piovesan, Tommaso, Zachos, Pavlos K.   +2 more
core   +5 more sources

A Numerical Study on the Impact of Dynamic Distortions in Total Inlet Pressure on the Stability and Performance of an Aero-Engine's Axial Fan [PDF]

فناوری در مهندسی هوافضا
In preliminary jet engine design, uniform inlet conditions are typically assumed for the compression section, although real-world engines operate under non-uniform inflows that significantly affect the compressor and overall engine performance.
mostafa mahmoodi, mehdi jahromi, jamasb pirkandi, sajad ghasemloo   +3 more
doaj   +1 more source

A Three-Dimensional Body Force Modeling of Fans in Windmilling Condition and Its Application

Aerospace, 2023
To investigate the aerodynamic characteristics of the fan in windmilling conditions, a new body force model with the fan rotational speed prediction model was developed.
Qingguo Kong, Wei Jia
doaj   +1 more source

An experimental investigation on the interaction between inlet swirl distortion and a low-speed axial compressor

Science Progress, 2020
The aim of this article mainly lies in two aspects. The first is to investigate the effect of inlet swirl distortion on the performance and stability of a low-speed compressor experimentally. The second is to quantify swirl pattern revolution through the
Xuegao Wang, Jun Hu, Jin Guo, Baofeng Tu, Zhiqiang Wang   +4 more
doaj   +1 more source

Numerical Analysis of the Effect of S-Shaped Duct Key Geometry Parameters on the Inlet Distortion of Distributed Ducted Fans

Aerospace
Distributed propulsion systems are strategically placed along the aircraft wingspan to ingest the fuselage boundary layer, thereby enhancing propulsion efficiency.
Wei Jia, Guanghui Li, Tao Liu, Qingguo Kong, Shuiting Ding   +4 more
doaj   +1 more source

Wind Tunnel Experiment and Numerical Simulation of Secondary Flow Systems on a Supersonic Wing

Aerospace
Aircraft secondary flow systems are small-flow circulation devices that are used for thermal and cold management, flow control, and energy generation on aircraft. The aerodynamic characteristics of main-flow-based inlets have been widely studied, but the
Sheng Zhang, Zheng Lin, Zeming Gao, Shuai Miao, Jun Li, Lifang Zeng, Dingyi Pan   +6 more
doaj   +1 more source

Improving the efficiency of a serpentine inlet duct by using of Blowing Jet Vortex Generators flow control technique [PDF]

مجله مدل سازی در مهندسی, 2018
In this research, aerodynamic performance of a double s-shaped serpentine inlet duct is numerically investigated by using of blowing Jet vortex generators flow control technique.
iman Maghsoudi, mostafa mahmoodi, mohammad ali vaziri zanjani   +2 more
doaj   +1 more source